score: Add Thread_queue_Operations

Replace the Thread_Priority_control with more general
Thread_queue_Operations which will be used for generic priority change,
timeout, signal and wait queue operations in the future.

Update #2273.

1 files changed, 56 insertions, 0 deletions

diff --git a/cpukit/score/src/threadqops.c b/cpukit/score/src/threadqops.c
new file mode 100644
index 0000000000..561480130a
--- /dev/null
+++ b/cpukit/score/src/threadqops.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2015 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Dornierstr. 4
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.org/license/LICENSE.
+ */
+
+#if HAVE_CONFIG_H
+  #include "config.h"
+#endif
+
+#include <rtems/score/threadimpl.h>
+#include <rtems/score/rbtreeimpl.h>
+
+static void _Thread_queue_Do_nothing_priority_change(
+  Thread_Control       *the_thread,
+  Priority_Control      new_priority,
+  Thread_queue_Control *queue
+)
+{
+  /* Do nothing */
+}
+
+static void _Thread_queue_Priority_priority_change(
+  Thread_Control       *the_thread,
+  Priority_Control      new_priority,
+  Thread_queue_Control *queue
+)
+{
+  _RBTree_Extract( &queue->Queues.Priority, &the_thread->RBNode );
+  _RBTree_Insert(
+    &queue->Queues.Priority,
+    &the_thread->RBNode,
+    _Thread_queue_Compare_priority,
+    false
+  );
+}
+
+const Thread_queue_Operations _Thread_queue_Operations_default = {
+  .priority_change = _Thread_queue_Do_nothing_priority_change
+};
+
+const Thread_queue_Operations _Thread_queue_Operations_FIFO = {
+  .priority_change = _Thread_queue_Do_nothing_priority_change
+};
+
+const Thread_queue_Operations _Thread_queue_Operations_priority = {
+  .priority_change = _Thread_queue_Priority_priority_change
+};